What is a Commercial Sublease Agreement? The procedure for subleasing is quite complicated.Drafting a comprehensive sublease agreement is crucial. C. Pursuant to the terms of the Lease, Tenant must obtain the prior written consent of Landlord to any sublease of all or any portion of the Premises. Subletting your office space or commercial property? Easily customize your own Commercial Sublease Agreement. A commercial lease is a binding legal agreement between a landlord and a tenant for renting commercial property. A commercial sublease is the act of a tenant re-renting space they currently lease to a subtenant. The tenant is required to obtain the consent of the landlord. Landlord: The full name and address of the person who owns the property.